Modeling methods for gas quenching, low-pressure carburizing and low-pressure nitriding

E Wołowiec-Korecka - Engineering Structures, 2018 - Elsevier
Modern thermal and thermochemical treatment of steels is a rapidly growing research area.
Thermochemical processes are researched, designed, optimized, and controlled by …

A Hybrid Method for Calculating the Chemical Composition of Steel with the Required Hardness after Cooling from the Austenitizing Temperature

J Trzaska, W Sitek - Materials, 2023 - mdpi.com
The article presents a hybrid method for calculating the chemical composition of steel with
the required hardness after cooling from the austenitizing temperature. Artificial neural …

Tribological characteristic of titanium alloy surface layers produced by diode laser gas nitriding

A Lisiecki, J Piwnik - Archives of Metallurgy and Materials, 2016 - infona.pl
In order to improve the tribological properties of titanium alloy Ti6Al4V composite surface
layers Ti/TiN were produced during laser surface gas nitriding by means of a novel high …

Welding of thermomechanically rolled fine-grain steel by different types of lasers

A Lisiecki - Archives of Metallurgy and Materials, 2014 - yadda.icm.edu.pl
The autogenous laser welding of 2.5 mm thick butt joints of thermomechanically rolled fine-
grain steel grade S420MC was investigated. Butt joints were laser welded by the Yb: YAG …

The modelling of hardenability using neural networks

LA Dobrzański, W Sitek - Journal of materials processing technology, 1999 - Elsevier
This paper presents a novel method of the modelling of hardenability, its experimental-
verification results, and comparison with the methods described in the literature. In addition …

[PDF][PDF] Modelling and analysis of the synergistic alloying elements effect on hardenability of steel

W Sitek, J Trzaska, WF Gemechu - Archives of foundry …, 2022 - bibliotekanauki.pl
The paper presents a methodology of modeling relationships between chemical
composition and hardenability of structural alloy steels using computational intelligence …

[PDF][PDF] Methodology of high-speed steels design using the artificial intelligence tools

W Sitek - Journal of Achievements in Materials and …, 2010 - researchgate.net
Purpose: The main goal of the research carried out was developing the design methodology
for the new highspeed steels with the required properties, including hardness and fracture …

Superhardenability behavior of vanadium in 40CrNiMoV steel

C Chen, FC Zhang, ZN Yang, CL Zheng - Materials & Design, 2015 - Elsevier
The effects of vanadium on the hardenability, microstructures and mechanical properties of
40CrNiMoV steel were investigated after stabilizing nitrogen with aluminum by using an …

Disk laser welding of car body zinc coated steel sheets

A Lisiecki, R Burdzik, G Siwiec… - Archives of Metallurgy …, 2015 - yadda.icm.edu.pl
Autogenous laser welding of 0.8 mm thick butt joints of car body electro-galvanized steel
sheet DC04 was investigated. The Yb: YAG disk laser TruDisk 3302 with the beam spot …

Improving Hardenability Modeling: A Bayesian Optimization Approach to Tuning Hyperparameters for Neural Network Regression

WF Gemechu, W Sitek, GF Batalha - Applied Sciences, 2024 - mdpi.com
This study investigates the application of regression neural networks, particularly the fitrnet
model, in predicting the hardness of steels. The experiments involve extensive tuning of …